Sept. 17: Dania Beach Pier cleanup. Divers needed to remove debris from water, non-divers and kayakers needed to take trash-filled buckets from divers and volunteers are needed to lift the buckets up onto the pier. Call Katy at Divers Cove at 954-473-1220.

Nov. 5: Florida Keys National Marine Sanctuary and Reef Environmental Education Foundation lionfish derby out of Hurricane Hole Marina and Restaurant in Key West. Teams of up to four divers can register online at reef.org/lionfish/derbies to compete for more than $6,500 in cash and prizes for shooting the most, largest and smallest lionfish.